63 results found displaying 55-57
    
Daryl666
 Canada
Panama canal turbine Printer Friendly Version
A hydro turbine parallel to the Panama canal is feasable if there is a significant difference in height between the 2 ends.
Reward: credit and being told its done. 

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21°

    
Better the World
 USA
Hot water faucet Printer Friendly Version
Why not place coils that get hot around the spout or the entire faucet that heat up the water the instant you want HOT water?
It seems like having a huge tank of water heated by gas or electric, would be more dangerous and expensive than having a relatively small coil to heat the water as needed. It would be like when you have dimming lights, except the energy would convert to heat not light.
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18°

    
lorschell
 USA
Reusable Carryout Containers Printer Friendly Version
A reusable container to use at restaurants to take leftovers from the restaurant home in. The restaurants could charge a one-time deposit fee for the container that the customer could use each time they visit the participating restaurant(s). This would be an alternative to styrofoam carryout containers, which would reduce the amount of styrofoam carryout containers in landfills. Restaurants could reduce their overhead by not using styrofoam carryout containers, save money and increase repeat customer volume by possibly offering incentives to customers who use their re-usable (embossed) carryout containers on their next visit!!
Reward: Product For Free 

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17°

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